<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--    引入css 样式-->
    <link rel="stylesheet"  href="/layui/css/layui.css">
    <!--    引入js -->
    <script src="/layui/layui.js"></script>
</head>
<body>
<div>

    <button type="button" class="layui-btn" onclick="downLoad()">
        <i class="layui-icon">&#xe67c;</i>下载数据
    </button>
    <script>
        layui.use('upload', function(){
            var upload = layui.upload;

            //执行实例
            var uploadInst = upload.render({
                elem: '#test1' //绑定元素
                ,accept:"file"
                ,url: '/api/dog/upload.do' //上传接口
                ,done: function(res){
                    //上传完毕回调
                    if(res.code==0){
                        layer.msg("亲，导入成功！");
                        location.href="list.html";
                    }else {
                        layer.msg("亲，导入数据失败？");
                    }
                }
                ,error: function(){
                    //请求异常回调
                }
            });
        });
        function downLoad(){
            //实现数据的下载
            location.href="/api/dog/download.do";
        }
    </script>
</div>
</body>
</html>